Home / 2,900,413.78-4,002,499.17-1,611,257.33

Finding the Fourth Proportional to 2,900,413.78, 4,002,499.17 and 1,611,257.33

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Solution

The fourth proportional to 2,900,413.78, 4,002,499.17 and 1,611,257.33 is: 2,223,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,413.78 : 4,002,499.17 = 1,611,257.33 : x
  2. Step 2: Convert to fraction form
    2,900,413.78/4,002,499.17 = 1,611,257.33/x
  3. Step 3: Cross multiply
    2,900,413.78x = 4,002,499.17 × 1,611,257.33
  4. Step 4: Simplify right side
    2,900,413.78x = 6,449,056,135,987.66
  5. Step 5: Solve for x
    x = 6,449,056,135,987.66/2,900,413.78
  6. Step 6: Final answer
    x = 2,223,495.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.